INDEPENDENT SHOWDOWN SOFTWARE · SWITZERLAND

Software built for every point that matters.

Tournament management and referee tools developed for the Showdown community. Built from hands-on tournament experience and improved through real matches.

Java / Jakarta EE Backend systemsReact & Web User experiencesShowdown Tournament technology
Showdown Referee App during a live match: score, goal, fault and match controls
THE REFEREE APP · LIVE MATCH VIEW ↗ Click to enlarge
BUILT FOR SHOWDOWN✳REFEREE APP✳TOURNAMENT SERVER✳FROM MATCH TO RESULT

Behind the tools.
Built for the game.

These are the technologies behind the tournament server and browser-based referee app—not services offered for hire.

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Backend & systems

Reliable application logic, data handling and server-side integrations.

JavaJakarta EEC / C++
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Referee interfaces

Clear browser interfaces that support referees during live matches.

JavaScriptReactHTML / CSS
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Match-day workflows

Practical tools for tournaments, data exchange and reliable match-day operation.

PythonSwiftObjective-CAndroid

SPORT MEETS SOFTWARE

Keeping the game moving.

Digital tools supporting Showdown tournaments, referees and event operations—from match management to live scoring.

Explore the Referee App guide ↗
SHOWDOWN ECOSYSTEM◉ IN USE
01
Tournament Server

Match organization and tournament data management.

02
Referee App

Browser-based match scoring with history and game controls.

03
Live Ticker

Share match progress through server integration.

Software for
the Showdown community.

An ongoing, non-commercial commitment to tournament organizers, referees and players.

01

TOURNAMENT INFRASTRUCTURE

Showdown Tournament Server

A server-based system supporting tournament administration and match workflows.

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02

PROGRESSIVE WEB APPLICATION

Showdown Referee App

Browser-based scoring for referees, with match history, timers, optional confirmations and server integration.

Read the updated user guide ↗
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03

CONNECTED MATCH EXPERIENCES

Live Scoring & Match Updates

Making tournament information available as matches progress.

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Clear fees.
For tournament organisers.

The Showdown Referee App is free to use. Tournament Server fees are based on playing days, participants and the selected match-plan service.

PositionDetailsFee (€)Example (€)
Base fee—20 per playing day60
Per participant fee—3150
App use—00
Match plan (Option 1)Provided by customer250
Match plan (Option 2)Generated by us2 per participant100
Total example fee310 €

Example: 3 playing days, 50 participants, match plan generated by SD Development (Option 2). The two match-plan options are alternatives.

Development & updates.

Milestones from the development of the Showdown software.

Referee App R1.1

Browser-based match management with touch controls, match history and tournament-server integration.

Designed around real tournaments

Feedback from active Showdown events informs continuous improvement of the Tournament Server, Referee App and Live Ticker.

Questions about
Showdown?

Feedback, bug reports and suggestions about the Referee App or Tournament Server are always welcome. I am no longer taking on software development commissions.

sd-development.ch@bluewin.ch ↗